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Scope

1.1 This test method defines a method for determining bat performance by measuring the bat-ball coefficient of restitution (BBCOR), deriving the bat performance factor (BPF), and calculating batted-ball speed (BBS). It is applicable to baseball bats of any construction or material. The test method provides a quantitative measure of bat dynamic performance that may be used for comparison purposes.

1.2 The BBCOR, BPF, and BBS are each calculated from measurements taken in the laboratory on test equipment meeting the requirements defined in this test method.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This standard does not purport to address all the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

Significance and Use

This test method offers a laboratory means to compare the relative performances of baseball bats.

Use of this test method can provide sports governing bodies a means to compare calculated batted-ball speed and other physical properties of the bats.

Keywords

baseball bats; baseballs; bat performance; BBCOR; BPF ; COR; Baseball equipment/applications; BPF (bat performance factor); Coefficient of restitution (COR); Performance--sports equipment; Sports equipment; ICS Number Code 97.220.40 (Outdoor and water sports equipment)

To find similar documents by ASTM Volume:

15.07 (Sports Equipment and Facilities; Pedestrian/Walkway Safety and Footwear; Amusement Rides and Devices; Snow Skiing)

To find similar documents by classification:

97.220.40 (Outdoor and water sports equipment Including equipment for mountaineering, football, tennis, swimming, diving, etc. Personal flotation devices (life jackets), see 13.340.70 Small craft, see 47.080)

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